From 1876 until 1980, there was only one major league team that had three outfielders hit at least 30 home runs in the same season.
Name the team, the year, and the three outfielders.
Answer later today...
UPDATE -- Answer after the jump
Well, I got this question from Bill James Historical Abstract, and it turns out James got it wrong.
There were two, not one, teams.
The 1941 Yankees, with King Kong Keller, Tommy Heinrich, and Joe DiMaggio.
And the 1963 Twins, with Bob Allison, Jimmie Hall, and Harmon Killebrew.